fix bug

server-service/src/main/java/com/makeit/service/platform/space/impl/PlatSpaceServiceImpl.java

@@ -177,6 +177,10 @@ public class PlatSpaceServiceImpl extends ServiceImpl<PlatSpaceMapper, PlatSpace
                     .in(PlatSpace::getId, parentIds));
                     .in(PlatSpace::getId, parentIds));
             if (CollectionUtils.isNotEmpty(arrayList)) {
             if (CollectionUtils.isNotEmpty(arrayList)) {
                 spaceList.addAll(arrayList);
                 spaceList.addAll(arrayList);
+                spaceList = spaceList.stream()
+                        .collect(Collectors.collectingAndThen(Collectors.toCollection(
+                                () -> new TreeSet<>(Comparator.comparing(PlatSpace::getId))), ArrayList::new));
+
             }
             }
         }else {
         }else {
             spaceList = list;
             spaceList = list;